Some of the cancer risks listed above are some of the leading causes of cancer, like smoking and diet. Smoking is known as the “most clear-cut cause of cancer” that increases the rate of someone getting cancer by nine times the rate of non-smokers (as cited by Gurung, 2014, p. 380). There are some risks of cancer that only affect certain kinds of cancer, but smoking contributes to many various forms of cancer (lung, voice box, throat, bladder, pancreas, liver, and etc.) (Gurung, 2014, p. 380). On the other hand, there are other risks of cancer that can contribute to non-smokers getting cancer like poor diet, exercise, and sun exposure. According to Byers & Doyle (2004) “one third of the 550,000 cancer deaths” are caused by “unhealthy diet
